Star profile
58 Eridani
Variable starWhat is 58 Eridani
58 Eridani is a genuine solar neighbour: a yellow G-type star just forty-three light-years away, with mass, radius and temperature practically identical to the Sun's. It is, however, a younger version —only a few hundred million years old— and its chromospheric activity runs hotter, causing small variations in brightness. To look toward it in Eridanus is to glimpse how our own star may have shone in its youth.
Where it is and when to see it
58 Eridani lies in the southern celestial hemisphere. It is visible to the naked eye under a dark sky. Its best month of the year is November, when it culminates around midnight.
- From London it culminates about 22° above the horizon.
- From New York it culminates about 32° above the horizon.
- From Sydney it culminates about 73° above the horizon.
It can be seen from anywhere south of 73° N.
It ranks no. 74 in brightness among the 129 stars of Eridanus in our catalogue. To find it, start from Achernar, the brightest: it lies about 53° away (a fist at arm's length covers about 10°).
The light you see today left it about 43 years ago.
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Astronomical data for 58 Eridani
- Constellation
- Eridanus
- Apparent magnitude
- 5.49
- Distance
- 43.3 light years
- Coordinates (J2000)
- RA 71.901° · Dec -16.934°
- Catalogue
- HIP 22263 · HD 30495
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Other stars in Eridanus
Eridanus has 129 stars in Stelvia's catalogue. Here are a few of them.
- AchernarAlpha Eridani0.45
- CursaBeta Eridani2.78
- AcamarTheta 1 Eridani2.88
- HIP 193985.45
- HIP 216855.46
- 30 Eridani5.48
- HIP 156435.50
- 62 Eridani5.50